package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行关联查询
 */
public class JDBCDemo6 {
    public static void main(String[] args) {
        try (Connection connection=DBUtil.getConnection()){
            Statement state=connection.createStatement();
            String sql="SELECT t.name,t.gender,c.name,c.floor "+
                    "FROM class c "+
                    "JOIN teacher t ON t.id=c.teacher_id "+
                    "WHERE t.name='王克晶'";
            ResultSet rs=state.executeQuery(sql);
            while (rs.next()){
                String tName=rs.getString("t.name");
                String tGender=rs.getString("t.gender");
                String cName=rs.getString("c.name");
                String cFloor=rs.getString("c.floor");
                System.out.println(tName+","+tGender+","+cName+","+cFloor);
            }


        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
